drop Python 3.8 support

Author: RobertRostohar

.github/workflows/basic_test.yaml

@@ -1,5 +1,6 @@
 # Copyright (c) 2021-2022 Chris Reed
 # Copyright (c) 2025 Antonio Chiu
+# Copyright (c) 2026 Arm Limited
 
 # pyocd workflow for:
 # - checking code with flake8
@@ -28,7 +29,6 @@ jobs:
         - macos-latest
         - windows-latest
         python-version:
-        - "3.8"
         - "3.9"
         - "3.10"
         - "3.11"

.github/workflows/basic_test_skipped.yaml

@@ -1,4 +1,5 @@
 # Copyright (c) 2021-2022 Chris Reed
+# Copyright (c) 2026 Arm Limited
 
 # pyocd workflow to fill in for the skipped 'basic test' workflow for docs updates. Without this,
 # the required 'basic test' workflow will not have run and therefore docs PRs won't be mergeable.
@@ -24,7 +25,6 @@ jobs:
         - macos-latest
         - windows-latest
         python-version:
-        - "3.8"
         - "3.9"
         - "3.10"
         - "3.11"

README.md

@@ -59,7 +59,7 @@ Configuration and customization is supported through [config files](https://pyoc
 Requirements
 ------------
 
-- Python 3.8.0 or later.†
+- Python 3.9.0 or later.†
 - macOS, Linux, Windows 7 or newer, or FreeBSD
 - A recent version of [libusb](https://libusb.info/). See [libusb installation](#libusb-installation) for details.
 - Microcontroller with an Arm Cortex-M CPU

docs/developers_guide.md

@@ -18,7 +18,7 @@ dependencies for the current platform by following the detailed steps below.
 
 Install the necessary tools listed below. Skip any step where a compatible tool already exists.
 
-* [Install Python](https://www.python.org/downloads/) version 3.8.0 or above. Add to PATH.
+* [Install Python](https://www.python.org/downloads/) version 3.9.0 or above. Add to PATH.
     *  Note that on Windows, the 32-bit Python 2.7 must be installed for the Python-enabled `arm-none-eabi-gdb-py` to
         work properly and for the `test/gdb_test.py` functional test to pass.
 * [Install Git](https://git-scm.com/downloads). Add to PATH.

docs/installing.md

@@ -2,7 +2,7 @@
 title: Installing
 ---
 
-PyOCD requires [Python](https://python.org/) 3.8 or later. It runs on macOS,
+PyOCD requires [Python](https://python.org/) 3.9 or later. It runs on macOS,
 Linux, FreeBSD, and Windows platforms.
 
 The latest pyOCD package is available [on PyPI](https://pypi.python.org/pypi/pyOCD/). The

pyproject.toml

@@ -4,8 +4,7 @@
 requires = [
     "setuptools>=51",
     "wheel",
-    "setuptools_scm[toml]>=6.0,<7.0; python_version < \"3.7\"",
-    "setuptools_scm[toml]>=7.0; python_version >= \"3.7\"",
+    "setuptools_scm[toml]>=7.0",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -22,7 +21,7 @@ log_level = "DEBUG"
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = py37
+envlist = py39
 
 # Defaults for all test environments.
 [testenv]

setup.cfg

@@ -22,7 +22,6 @@ classifiers =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
@@ -46,7 +45,7 @@ project_urls =
 zip_safe = True
 include_package_data = True
 packages = find:
-python_requires = >=3.8.0
+python_requires = >=3.9.0
 # Use hidapi on macOS and Windows, not needed on Linux.
 #
 # importlib_resources is used instead of stdlib importlib.resources because we